transmission cli for freenas

transmission_cli.sh

#!/bin/bash 
# filename:    transmission_cli_manager.sh
# author:      Dan Merschi
# date:        2009-01-17 (0.69 rev.4260)
# update:      2009-03-01 (0.69 rev 4403)
# purpose:     A fast and easy solution(script) to manage Transmission daemon via transmission-remote client
# source:      http://sourceforge.net/apps/phpbb/freenas/viewtopic.php?f=12&t=822
#
if [ -z "$(pgrep transmission-daemon)" ] ;then  echo  Transmission not running, abort.; exit 3; fi
eval $( ps axww | \
   awk -F'--' '/[t]ransmission-daemon/{
      for(i=3;i++<8;){
         split($i,_," ")
         split(_[1],l,"-")
         printf "%s=\"%s\"\n",toupper(l[1]l[2]),_[2]
   }}')
TR="/usr/local/bin/transmission-remote localhost:${PORT} -n ${USERNAME}:${PASSWORD}"
function _list_torrents() {
      if [ "${torrents:-"all"}" = "all" ];then
         ${TR}  -l 
      else 
         for i in $torrents
         do 
            ${TR} -t $i -i
         done
      fi
}
function _start_torrents() {
      if [ "${torrents:-"all"}" = "all" ];then
         for i in $(${TR} -l | awk 'NR>1 && $7=="Stopped"{print $1}')
         do 
            ${TR} -t $i -s
         done
      else 
         for i in $torrents; 
         do 
            ${TR} -t $i -s
         done
      fi
}
function _stop_torrents() {
      if [ "${torrents:-"all"}" = "all" ];then
         for i in $(${TR} -l | awk 'NR>1 && $7!="Stopped"{print $1}')
         do 
            ${TR} -t $i -S
         done
      else 
         for i in $torrents
         do 
            ${TR} -t $i -S
         done
      fi
}
function _stop_over_ratio() { # Stop each torent if required
      torrent_list=$(${TR} -l)
      while read ID Done Have MB ETA Up Down Ratio Status  Name
      do 
         if [ ${ETA} = "Done" ] && [ ${Status} != "Stopped" ] && [ ${Ratio/./} -ge ${ratio%.*} ]; then
         argument="${argument} -t $ID -S "
         fi
      done <<< "${torrent_list}"
      if [ ! -z "${argument}" ];then
         ${TR} ${argument} ;
      fi
}
function _blocklist_update() {
      URL=http://download.m0k.org/transmission/files/level1.gz
      cd ${CONFIGDIR}blocklists/
      # Get local file size
      LocalSize=`stat -qf %z ${URL##*/}`
      # Get remote file size or exit
      RemoteSize=`fetch -apsw 5  ${URL} || exit 1;`
      # If local file size not equal to remote file size update blocklist 
      if [ ${LocalSize:-0} -ne ${RemoteSize} ]; then
         fetch -apw 5 $URL && \
         gzip -dfkq ${URL##*/} && \
         /etc/rc.d/transmission restart
         echo "Blocklist updated successfully."
         echo "OK Blocklists updated on: $(date)" >> $CONFIGDIR/transmission_blocklists.log
      else
         echo "NOK Update not required: $(date)" >> $CONFIGDIR/transmission_blocklists.log
         echo "Update not required. You already have the latest blocklist file."
      fi
}
function _scan_watchdir() {
      if [ ${watchdir:-"null"} = "null" -o ! -d ${watchdir} ]; then 
         echo -e "Transmission watch directory  not set or don't exit.";
      else
         for i in "$(ls $watchdir/*.torrent 2>/dev/null)";
         do 
            ${TR} -a "$i";
            rm "$i";
         done
      fi
}
function _usage() { echo "
A fast and easy solution(script) to manage Transmission daemon via transmission-remote client.

Usage:

$0 -c [command]  -{r|t} [options]   -h {for help}

-c  [command]:  start              : Start all torrents
                start -t 1         : Start torrent 1 
                start -t 1 -t 3    : Start torrent 1 and 3      

                stop               : Stop all torrents
                stop -t 1          : Stop torrent 1 
                stop -t 1 -t 3     : Stop torrent 1 and 3
            
                list               : List all torrents
                list -t 1          : List torrent 1
                list -t 1 -t 3     : List torrent 1 and 3
            
                ratio              : Stop all torrents over 1:1 ratio
                ratio -r 1.2       : Stop all torrents over [argument] ratio.
            
                update             : Update blocklist
Options:

-h          Help (this message).
-r [val]    Ratio limit (default 1:1).
-t [val]    Torrent entry.
            
Last update: $ 2009-03-01 $
"
}
while getopts "c:d:r:t:h" OPTION
do
    case $OPTION in
      c)     cmd=$OPTARG;;
      d)      watchdir=$OPTARG;;
      h)      _usage; exit 0;;
      r)     ratio=$(echo $OPTARG \* 100 | bc);;
      t)     torrents="$torrents $OPTARG";;
      *)      echo -e  "Unknown command:\n\t\tUsage: $0 -h      (for help)"; exit 2;;
    esac
done
ratio=${ratio:-"1.10"};
watchdir=${watchdir:-"null"};
case $cmd in
   add)   _scan_watchdir; exit 0;;
   update)   _blocklist_update; exit 0;;
   ratio)   _stop_over_ratio;exit 0;;
   list)   _list_torrents; exit 0;;
   help)   _usage;exit 0;;
   start)   _start_torrents; exit 0;;
   stop)   _stop_torrents; exit 0;;
   *)      echo -e  "Unknown command:\n\t\tUsage: $0 -h      (for help)"; exit 2;;
esac
exit 0